PIC16F18326-E/JQ - 8-bit MCU, 32MHz, 28KB Flash, 16-UQFN | Microchip
MPN： PIC16F18326-E/JQ ✓ 啟用中PIC16F18326-E/JQ 概覽
An 8-bit microcontroller (MCU) is a compact programmable computing device that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces onto a single silicon die. The 8-bit PIC architecture uses a modified Harvard structure with separate program and data buses, optimized RISC instruction set, and rich Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU. Within the broader semiconductor taxonomy, an MCU sits under microcontroller -> embedded processor -> semiconductor device, and serves as the digital brain of countless battery- and line-powered products.
Key differentiating features include 2KB RAM, a 10-bit ADC, 5-bit DAC, configurable logic cells (CLC), Complementary Waveform Generator (CWG), PWM modules, and communication peripherals including SPI and I2C. Peripheral Pin Select (PPS) enables flexible pin mapping of digital peripherals, simplifying PCB routing and BOM reuse across product variants. The /JQ suffix denotes the 16-pin UQFN (4x4) package and -E denotes the -40C to +125C extended industrial temperature range.
The eXtreme Low Power (XLP) technology delivers nanoWatt sleep currents and active-mode efficiencies that make the PIC16F18326-E/JQ particularly suitable for battery-powered sensor nodes, wearable devices, and IoT endpoints where battery life is critical. Functional Safety (FuSa) features aid documentation for IEC 61508 / ISO 26262 system-level safety integration.
Typical applications include IoT sensor nodes, low-power wireless remote controls, battery-powered instrumentation, automotive body and comfort modules, consumer appliances, and industrial sensor interfaces. PPS allows a common firmware base across different PCB pinouts without redesign.
When designing with this MCU, always allocate at least one decoupling capacitor (100 nF X7R) close to each VDD pin and provide a low-impedance ground return on the exposed thermal pad. Configure unused pins as digital outputs low to minimize quiescent current and prevent floating-input shoot-through.
This page synthesizes distributor pricing, drop-in alternatives, application notes, and practical design considerations that go beyond the manufacturer datasheet summary, providing engineers with the context needed for fast, confident component selection.
直接替換替代品，適用於 PIC16F18326-E/JQ — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16F18326-E/JQ （相同外形與佔位） — 差異在於 Package, Operating Temperature, ADC, Core Independent Peripherals, DAC.
PIC16F18326-I/JQ
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F18326-E/SL
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F18325-I/JQ
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18325-E/JQ
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18324-I/JQ
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F18313-E/RFVAO
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18326-E/JQ 最大額定值與電氣特性
| Core Architecture | 8-bit PIC (RISC, modified Harvard) |
| Family | PIC16F XLP Functional Safety (FuSa) |
| Max CPU Frequency | 32 MHz |
| Program Memory (FLASH) | 28 KB (16K x 14 words) |
| Data Memory (RAM) | 2 KB |
| EEPROM | 256 B |
| ADC | 10-bit |
| DAC | 5-bit |
| Communication | SPI, I2C |
| Peripheral Pin Select (PPS) | Yes |
| Core Independent Peripherals | CLC, CWG, PWM, CCP |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| 工作溫度 | -40C to +125C (E suffix) |
| 封裝 | 16-pin UQFN (4x4) with exposed pad |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC16F18326-E/JQ 腳位配置
| 腳位 1 | RA5 — Digital I/O / analog input / ICSP programming clock |
| 腳位 2 | RA4 — Digital I/O / analog input / ICSP programming data |
| 腳位 3 | RA3 — Digital I/O / analog input / MCLR (reset) |
| 腳位 4 | RA2 — Digital I/O / analog input / DAC output |
| 腳位 5 | RA1 — Digital I/O / analog input |
| 腳位 6 | RA0 — Digital I/O / analog input |
| 腳位 7 | VSS — Ground reference |
| 腳位 8 | RC5 — Digital I/O / PPS-mappable peripheral |
| 腳位 9 | RC4 — Digital I/O / PPS-mappable peripheral |
| 腳位 10 | RC3 — Digital I/O / PPS-mappable peripheral / SCL |
| 腳位 11 | RC2 — Digital I/O / PPS-mappable peripheral |
| 腳位 12 | RC1 — Digital I/O / PPS-mappable peripheral / SDA |
| 腳位 13 | RC0 — Digital I/O / PPS-mappable peripheral |
| 腳位 14 | VDD — Power supply (2.3 V to 5.5 V) |
| 腳位 15 | RA7 — Digital I/O / analog input |
| 腳位 16 | RA6 — Digital I/O / analog input |
| 腳位 EP | EP — Exposed thermal pad - solder to ground |
典型應用
PIC16F18326-E/JQ 適用於 6 應用s: IoT Battery-Powered Sensor Node, Automotive Body and Comfort Module, Industrial Sensor Interface, Low-Power Wireless Remote Control, Consumer Appliance Control Board, Portable Medical Monitoring Device.
IoT Battery-Powered Sensor Node
The PIC16F18326-E/JQ's XLP nanoWatt sleep currents and 32 MHz active-mode performance make it an excellent fit for low-power IoT sensor nodes. With typical sleep currents in the nanoamp range and active efficiency near 30 uA/MHz, a single CR2032 coin cell can power the MCU for years of intermittent sensor reads. The 10-bit ADC and 5-bit DAC support direct interface with analog sensors, while SPI/I2C enables simple connections to digital sensors and sub-GHz transceivers.
推薦
Automotive Body and Comfort Module
The PIC16F18326-E/JQ's -40C to +125C operating range and Functional Safety (FuSa) support make it well suited for non-safety-critical automotive body and comfort modules such as interior lighting, seat controllers, and HVAC flaps. The CIPs (CLC, CWG, PWM, CCP) handle motor-control and lighting sequences in hardware, offloading the CPU. PPS allows pin reassignment to simplify PCB routing across vehicle variants, reducing development time for OEM programs.
推薦
Industrial Sensor Interface
The PIC16F18326-E/JQ's 10-bit ADC, 5-bit DAC, and Core Independent Peripherals make it an excellent controller for industrial sensor interfaces including 4-20 mA loop drivers, RTD conditioning, and process-control feedback loops. The CWG module can generate precise PWM waveforms for valve or heater control while the CPU remains in low-power mode. Extended -40C to +125C operation supports deployment in factory and outdoor enclosures.
推薦
Low-Power Wireless Remote Control
For handheld remote controls and key fobs, the PIC16F18326-E/JQ's deep-sleep currents below 1 uA extend battery life while the 32 MHz performance runs RF protocol encoding in firmware. The CLC module can generate bit-banged sub-GHz modulation without CPU intervention. PPS lets designers route the same firmware across multiple SKUs with different PCB antenna layouts, accelerating time to market.
推薦
Consumer Appliance Control Board
White-goods and small-appliance control boards benefit from the PIC16F18326-E/JQ's small 16-UQFN footprint, built-in EEPROM for user settings, and PWM channels for motor or heater control. The 10-bit ADC reads thermistors and current shunts, and CWG provides hardware-level waveform generation for triac gate timing or LED dimming. Low cost at high volume supports cost-sensitive consumer products.
推薦
Portable Medical Monitoring Device
The PIC16F18326-E/JQ's combination of low power, ample 28 KB FLASH for algorithm code, and 10-bit ADC for biosignal acquisition supports portable medical monitoring designs such as pulse oximeters, single-lead ECG patches, and sleep trackers. The XLP nanoWatt sleep mode extends battery life during idle periods, while CWG and PWM drive low-power displays or haptic feedback elements.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16F18326-E/JQ — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16F18326-I/JQ | PIC16F18325-I/JQ | PIC16F18325-E/JQ | PIC16F18324-I/JQ | PIC16F18313-E/RFVAO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-UQFN (4x4) | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN family |
| FLASH Memory | 28 KB | 28 KB | 14 KB | 14 KB | 7 KB | 2 KB |
| RAM | 2 KB | 2 KB | 1 KB | 1 KB | 512 B | 256 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| PPS (Peripheral Pin Select) | Yes | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- Functional Safety (FuSa) documentation package (對比PIC16F18325-I/JQ)
- 28 KB FLASH - twice the program space of the 18325 (對比PIC16F18325-I/JQ)
- 2 KB RAM - twice the working memory of the 18325 (對比PIC16F18325-I/JQ)
設計說明
Estimated: with VDD = 3.3 V and a 32 MHz clock, the active current draw of the PIC16F18326-E/JQ typically stays around 1 mA. Add a 100 nF X7R ceramic bypass capacitor within 3 mm of each VDD pin and a 10 uF bulk capacitor at the board supply input. The exposed thermal pad must be soldered to a contiguous ground plane that carries both the GND return and acts as a thermal sink; do not leave the EP floating.
Route ICSP programming pins (RA0/RA4/RA5/MCLR/VDD/GND) to a 5-pin header or test pad so the firmware can be programmed in-circuit on production boards. According to the Microchip datasheet, the ICSP pins are shared with general I/O and do not require exclusive use. Keep the SWD/programming traces short, place a small series resistor on MCLR (typical 10 kohm to VDD) for noise immunity, and avoid crossing programming traces with high-current switching signals.
Do not leave unused pins floating - configure them as digital outputs driving low (or as inputs with the internal weak pull-up enabled) to minimize quiescent current and prevent shoot-through. According to the Microchip PIC16F18326 datasheet, the MCLR pin must never be left unbonded in production boards: either tie it to VDD through a 10 kohm resistor with a capacitor to GND, or use the internal MCLR disable configuration. Brown-out reset (BOR) should be enabled in the configuration words for reliable startup.
合規資訊
RoHS and REACH compliance per Microchip product page. The part includes Functional Safety (FuSa) documentation for IEC 61508 / ISO 26262 system-level integration but is not itself AEC-Q100 qualified - select PIC16F18326 automotive-graded variants where AEC-Q100 is required.
